Statistical tests and their uses
[DOC File]Chapter 7 Part II Hypothesis Testing
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Randomization tests determine the probability that the effect observed between baseline and treatment conditions could have occurred simply by chance. Discuss issues in the uses of statistical tests on single-subject data, including randomization tests. 1.5 The use of statistical tests to analyze single-subject data is controversial.
[DOC File]Teaching Introductory Statistics with Activities and Data
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Using this approach, the criteria for establishing mediation, which are nicely summarized by David Howell (Statistical Methods for Psychology, 6th ed., …
[DOC File]Running head: MID-TERM EXAM
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Identify the statistical tests you will be using and why you chose them. I will work with groups who want to use statistical techniques we have not covered in class yet. Rough Draft (optional) If you turn in a rough draft by Dec. 1, I will review the paper, providing comments and suggestions.
Choosing the Right Statistical Test | Types and Examples
The researcher selects the correct statistical test, chooses an appropriate level of significance, and formulates a plan for conducting the study. Statistical Test. A statistical test uses the data obtained from a sample to make a decision about whether or …
[DOC File]Why is statistical analysis preferable to visual ...
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The strengths of standardized instruments outweigh their weaknesses. Standardized tests have several advantages: 1) the items are well written and have been tested for clarity; 2) standard conditions of administration and scoring have been established; and 3) tables of norms are provided. These advantages are offset by some drawbacks.
[DOC File]COMMONLY USED ASSESSMENT and SCREENING …
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Uses: Statistical Quantities - Visualize the statistical quantities and relationships. Symmetry - If the distribution is symmetrical, the box is divided in two equal halves by the median, the whiskers will be the same length and the number of extreme data points will be distributed equally on either end of the plot for symmetric data.
[DOC File]Statistical Tests of Models That Include Intervening Variables
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Statistical analysis is a tool to describe objectively the decision problem based on facts in a transparent and understandable language for the decision maker. ... Destructive Tests: When a test involves the destruction of an item under study, sampling must be used. ... Random samples therefore are unbiased in their being representative of the ...
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